Hitting the road in North America this year is Leonid and Friends, the YouTube sensation tribute band to Chicago, Earth Wind & Fire and others, from Eastern Europe! Despite never having seen Chicago live (they never toured to band leader Leonid Vorobyev's home country of Russia), the group became a global hit for their stunning recreation of the music of the legendary American soft-rockers.

Keb' Mo' is a three-time Grammy-winner who is referred to as the "living link" to the Delta Blues of the early 1930s which helped influence much of today's blues music. He keeps his sound contemporary with touches of soul and folksy storytelling. His acoustic-led, basic-to-basics style of blues has gained him many fans. As well as being an accomplished guitarist, Keb' Mo' also plays the banjo, harmonica, steel drums and keyboard.

Grammy Award Winner Lyle Lovett is known for his intelligent Western Swing-tinged Country Music. His witty lyrics and eclectic mix of sounds ranging from folk to big band swing form an unforgettable catalogue of songs and although he emerged in the 80s, this musical chameleon is still a fearless innovator in the Country world to this day.

Since her 1988 debut 'Bring Me Some Water', Melissa Etheridge has been an iconic voice in alternative rock and roll. When in 1993, her second record 'Yes I am' went double platinum, that success was cemented. As a performer she has won 2 Grammy Awards and an Academy Award for best original songs, but also as a social and gay rights activist, she has left a lasting impression on American popular culture.

Pink Martini are the brainchild of Thomas Lauderdale, who in the early 1990s was thinking of running for Mayoral office. But he slowly became frustrated and fascinated by the musical entertainment during political society events. So he formed Pink Martini to address this and make music that appeals to everyone, from liberals to conservatives, all over the world. Over 20 years later, they're still going strong!